package ipad.asia.config; /**
 *
 */

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;

/**
 * 实现两个实体类属性之间的复制
 * @author shamee-loop
 *
 */
public class BeanCopy {

    public static void Copy(Object source, Object dest) throws Exception {
        // 获取属性
        BeanInfo sourceBean = Introspector.getBeanInfo(source.getClass(),
                java.lang.Object.class);
        PropertyDescriptor[] sourceProperty = sourceBean
                .getPropertyDescriptors();

        BeanInfo destBean = Introspector.getBeanInfo(dest.getClass(),
                java.lang.Object.class);
        PropertyDescriptor[] destProperty = destBean.getPropertyDescriptors();

        try {
            for (int i = 0; i < sourceProperty.length; i++) {

                for (int j = 0; j < destProperty.length; j++) {

                    if (sourceProperty[i].getName().equals(
                            destProperty[j].getName())) {
                        // 调用source的getter方法和dest的setter方法
                        destProperty[j].getWriteMethod().invoke(
                                dest,
                                sourceProperty[i].getReadMethod()
                                        .invoke(source));
                        break;
                    }
                }
            }
        } catch (Exception e) {
            throw new Exception("属性复制失败:" + e.getMessage());
        }
    }

}

